How to change the blue part of my ticket to transparent?

Hey~All, I’m trying to make a beautiful ticket using the GUI. Is there a way to make the blue part transparent?
pg: https://playground.babylonjs.com/#XCPP9Y#20457

Hi there. You can make the color transparent for the blue part.
Regarding the inner dots you may need to use a texture to replace the orange part or generate a dynamic texture with transparency on the dots. A mask and a shader would probably also work but it might be a bit more of a stretch ( at least for me :sweat_smile:)

Anyway small change with transparent blue web color example:

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